This document contains 4 math word problems and 1 math concept summary. The first two problems ask which is the better buy between food quantities and which car is traveling faster based on distance and time. The third problem asks how many left-handed students would be predicted in a math class based on handeness statistics. The fourth problem asks how many times a clock chimes in a week if it chimes 4 times per hour. The concept summary states that the cross products of a proportion are equal.

1. DO NowWhich is the better buy?1. 5 lb for $37 or 8 lb for $43Which car is going faster?2. 340 miles over 5 hours or 536 miles over 7 hours.

2. 1About 1 of every 10 people is left handed. How many would you predict to be left handed in this math class?

3. 2A clock chimes 4 times each hour. How many times does it chime in a week?

4. 3You are paid $47.25 for 7 hours of work. How much are you paid per hour?

5. 4The table shows the costs of oranges at four grocery stores. Which grocery store prices its oranges using a constant unit rate?AStore ABStore BCStore CDStore D

6. Cross Product PropertyWords:The cross products of a proportion are equalEx: =